Ecommerce teams tracking prices, inventory, reviews, and trends need data across Amazon, Walmart, and other marketplaces. Individual marketplace APIs have different formats, authentication flows, and rate limits. The best ecommerce data APIs normalize this data into consistent formats from a single endpoint.
Top Pick
Scavio provides ecommerce search data across Amazon and Walmart at $0.005/credit with Google, YouTube, and Reddit for market context, all through one API and MCP server.
Full Ranking
#1Our Pick
Scavio
Teams needing marketplace search + web context in one API
Pros
- Amazon + Walmart search
- Google for market context
- Reddit for consumer sentiment
- MCP for agent workflows
- Flat $0.005/credit
Cons
- Search results (not full product databases)
- No historical price tracking
- No inventory monitoring
#2
Keepa
Amazon price tracking and historical data
Pros
- Historical price data (years)
- Price drop alerts
- Sales rank tracking
- Buy Box monitoring
Cons
- Amazon-only
- Token-based API pricing
- No Walmart data
- Complex token system
#3
Jungle Scout
Amazon sellers needing product research
Pros
- Product research tools
- Keyword tracking
- Competitor analysis
- Revenue estimates
Cons
- $49/mo minimum
- Amazon-focused
- Limited API access
- Seller-oriented (not general ecommerce)
#4
Rainforest API
Teams needing real-time Amazon product data
Pros
- Real-time Amazon data
- Product details + reviews
- Search results
- Category data
Cons
- Consult their pricing page for current rates
- Amazon-only
- No multi-marketplace
- No consumer sentiment data
#5
Helium 10
Amazon FBA sellers wanting all-in-one tools
Pros
- Product research suite
- Keyword research
- Listing optimization
- Inventory management
Cons
- $39/mo minimum
- Amazon-only
- Limited API
- Seller tools (not data API)
Side-by-Side Comparison
| Criteria | Scavio | Runner-up | 3rd Place |
|---|---|---|---|
| Marketplaces | Amazon + Walmart + 3 | Amazon only | Amazon only |
| Cost per 1K Queries | $5 | ~$49/mo token-based | $49/mo plan |
| Historical Data | No | Years of price history | Revenue estimates |
| Consumer Sentiment | Reddit endpoint | None | None |
| Agent Integration | MCP hosted | REST API | Dashboard + limited API |
| Web Context | Google + YouTube | None | None |
Why Scavio Wins
- Amazon + Walmart + Google + YouTube + Reddit from one API. Keepa and Jungle Scout are Amazon-only; Scavio covers the full ecommerce research stack.
- $0.005/credit for multi-marketplace data. Compare products across Amazon and Walmart without separate subscriptions to each marketplace's data provider.
- Reddit endpoint adds consumer sentiment that no marketplace API provides. See what real buyers say about products beyond star ratings.
- MCP integration lets AI agents research products autonomously. Build agents that compare prices, check reviews, and analyze market trends across platforms.